On Wed, Jan 31, 2001 at 08:15:22PM -0500, Michael Meissner wrote: > What it doesn't handle is a parallel that has two sets, > which on the x86 is for setting the condition code register. Those don't get created until combine. No, the real problem is that gcse doesn't handle hard registers, so the clobber of hard register 17 (flags) squelches everything. r~